Burdensome is a related term of confusing.
As adjectives the difference between burdensome and confusing
is that burdensome
is of or like a burden; arduous or demanding while confusing
is difficult to understand; not clear as lacking order, chaotic etc.
As a verb confusing is
Of or like a burden; arduous or demanding
* 1748 , , Enquiries concerning the human understanding and concerning the principles of morals , London: Oxford University Press (1973 ed.), § 6:
- . . . reap a pleasure from what, to the generality of mankind, may seem burdensome and laborious.
* (of or like a burden) arduous, demanding, exacting, onerous, taxing
difficult to understand; not clear as lacking order, chaotic etc
- Several sections in that book are really confusing .